| Continuous Rating Input | 470W |
| Capacity | Our experimental conditions: |
| 1.4 J | |
| Concrete (with T.C.T. bit): | |
| 18mm (11/16”) | |
| Steel: 13 mm (1/2”) | |
| Wood: 24 mm (15/16”) | |
| Blows Per Minute (BPM) | 0 – 4,800 |
| No Load Speed (RPM) | 0 – 1,900 |
| Dimensions | 285x75x208mm |
| (L x W x H) | (11-1/4”x3”x8-3/16”) |
| Net Weight | 2.0 – 2.4 kg (4.3 – 5.3 lbs.) |
MAKITA HR1840J, 18MM (11/16″) 2-MODE ROTARY HAMMER [CB459]
- Powerful 470 W motor delivers 0 – 2,100 RPM, 0 – 4,800 BPM and 1.4 J (EPTA-Procedure 05/2009) of impact energy for fast drilling
- Compact with less weight
- Torque limiting clutch engineered to prevent gear damage by automatically disengaging gears if the bit binds
- 2-Mode operation for “Rotation Only” or “Hammering with Rotation”
- Variable speed trigger allows operator to adjust speed based on materials or application
- Standard Equipment:
- Depth Gauge, Side Grip


![MAKITA HR1840J, 18MM (11/16") 2-MODE ROTARY HAMMER [CB459]](https://www.acthardware.com.sg/wp-content/uploads/2019/04/HR1840J.jpg)